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2026-04-09 15:08:25 +02:00
parent 1914d5c691
commit 6c6929bcb1
16 changed files with 3779 additions and 0 deletions
@@ -0,0 +1,36 @@
+#ifndef VISITOR_H
+#define VISITOR_H
+
+enum node_type
+{
+    // 0 operand
+    NUM,
+
+    // 1 operand
+    POS,
+    NEG,
+
+    // 2 operands
+    ADD,
+    SUB,
+    MUL,
+    DIV,
+    MOD,
+};
+
+struct ast_node
+{
+    int value;
+    enum node_type type;
+    struct ast_node *children;
+};
+
+typedef void(*visitor)(struct ast_node *);
+
+void visit(struct ast_node *node, visitor v);
+
+void print_prefix(struct ast_node *node);
+void print_infix(struct ast_node *node);
+void print_suffix(struct ast_node *node);
+
+#endif /* ! VISITOR_H */